The VoiceOFF is a superb piece of hardware and is really 4 products rolled in to one...
Not just that it has it's own scheduling software so you can play message files whenever you need to PLUS over 2000 pre-recorded message and sound files available for use with it.
Warning, a fire has been detected, please proceed to the nearest fire exit.
Warning, smoke has been detected, please proceed to the nearest fire exit.